Brain health: Staying more active during the day helps retain brain volume
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A new study found that older adults with disrupted daily activity rhythms experience more brain shrinkage in areas affected by Alzheimer's disease. Staying active during the day may help retain brain volume and reduce the risk of dementia.
Older adults with fragmented daily activity rhythms may experience more brain shrinkage in areas associated with memory and emotion, typically affected by Alzheimer's disease. Researchers analyzed data from 344 adults with an average age of 73 who wore wrist accelerometers to measure their 24-hour rest/activity rhythms. Participants also underwent MRI scans of brain areas generally affected by Alzheimer's. The study found that those with more disrupted rhythms had greater brain atrophy. Staying active during the day may help retain brain volume and reduce the risk of dementia. The research was published in Alzheimer's & Dementia: The Journal of the Alzheimer's Association.
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